A lesson focused on the specific technique of regrouping across multiple place values containing zeros. Students use a step-by-step checklist to navigate the vault-cracking process of borrowing from distant neighbors.

A space-themed lesson focusing on multi-digit subtraction with regrouping. Students will practice borrowing across tens, hundreds, and thousands places using clear visual organizers.

A hands-on math lesson where second graders practice adding and subtracting money by running a simulated diner. Students role-play as servers and customers to calculate totals and provide correct change.

A set of subtraction drill practices for numbers 1-10 featuring horizontal equations and a high-energy racing theme.

A quick-fire subtraction lesson focused on facts 1-10 through a high-energy racing theme. includes a timed drill worksheet and an answer key.

A lesson on 3-digit addition and subtraction with regrouping, using a construction blueprint theme to help students visualize place value and alignment through graph paper grids and base-ten block scaffolds.

A hands-on lesson using base ten blocks to help students differentiate between two-digit numbers with reversed digits, specifically 12 and 21. Students will build, draw, and compare models to understand how the position of a digit changes its value.

A collection of high-energy math center games designed to help students master adding and subtracting multiples of 10 within 100 through play and peer interaction.

A focused lesson on three-digit subtraction with regrouping, featuring a clean worksheet and answer key.

A focused lesson on mastering three-digit addition with regrouping across multiple place values using vertical alignment.

A set of hands-on math worksheets designed to help students master comparing numbers up to 20 using counting bears, coins, and Unifix cubes.

A deep-sea exploration lesson where students use sonar clues to identify addition and subtraction operations in underwater word problems.

A safari-themed lesson where students investigate animal sightings to determine whether to add or subtract numbers within 20.

A lesson focused on identifying addition and subtraction operations in oral word problems within 20, using ten frames and number lines as solving tools.

A lesson focused on identifying the correct operation (addition or subtraction) from pictorial representations and writing the corresponding number sentence for sums up to 20.

An introductory lesson on arrays for 2nd graders, focusing on identifying rows and columns and using repeated addition to find the total number of objects.

A formative assessment focused on partitioning rectangles into rows and columns of same-size squares, aligned with 2.G.A.2. This lesson includes a student-facing assessment and a comprehensive answer key with DOK level alignment.

A lesson focused on mastering mental math strategies for adding and subtracting 10 and 100 from three-digit numbers, aligned with standard 2.NBT.B.8.

A comprehensive lesson on representing and interpreting scaled graphs, where students become 'Data Detectives' to collect, graph, and analyze information.

In this lesson, students explore the connection between arrays and repeated addition by organizing 'garden' items into rows and columns. They will learn to identify the number of items in each row/column and write corresponding addition sentences to find the total.